Home / 436,264.23-654,404.64-136,738.20

Finding the Fourth Proportional to 436,264.23, 654,404.64 and 136,738.20

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Solution

The fourth proportional to 436,264.23, 654,404.64 and 136,738.20 is: 205,109.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,264.23 : 654,404.64 = 136,738.20 : x
  2. Step 2: Convert to fraction form
    436,264.23/654,404.64 = 136,738.20/x
  3. Step 3: Cross multiply
    436,264.23x = 654,404.64 × 136,738.20
  4. Step 4: Simplify right side
    436,264.23x = 89,482,112,545.25
  5. Step 5: Solve for x
    x = 89,482,112,545.25/436,264.23
  6. Step 6: Final answer
    x = 205,109.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.